diff options
Diffstat (limited to 'src/gallium/auxiliary/os/os_stream.c')
-rw-r--r-- | src/gallium/auxiliary/os/os_stream.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/os/os_stream.c b/src/gallium/auxiliary/os/os_stream.c new file mode 100644 index 0000000000..3c55fc00d9 --- /dev/null +++ b/src/gallium/auxiliary/os/os_stream.c @@ -0,0 +1,58 @@ +/************************************************************************** + * + * Copyright 2010 Luca Barbieri + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "pipe/p_config.h" + +#include "os_stream.h" +#include "util/u_memory.h" +#include "util/u_string.h" + +int +os_default_stream_vprintf (struct os_stream* stream, const char *format, va_list ap) +{ + char buf[1024]; + int retval; + va_list ap2; + va_copy(ap2, ap); + retval = util_vsnprintf(buf, sizeof(buf), format, ap2); + va_end(ap2); + if(retval <= 0) + {} + else if(retval < sizeof(buf)) + stream->write(stream, buf, retval); + else + { + char* str = MALLOC(retval + 1); + if(!str) + return -1; + retval = util_vsnprintf(str, retval + 1, format, ap); + if(retval > 0) + stream->write(stream, str, retval); + FREE(str); + } + + return retval; +} |